../ dmsp_15_ephemeris_20150120.txt 09-Nov-2025 23:14 107990 dmsp_16_ephemeris_20150120.txt 09-Nov-2025 23:14 107995 dmsp_17_ephemeris_20150120.txt 09-Nov-2025 23:14 107924 dmsp_18_ephemeris_20150120.txt 09-Nov-2025 23:14 108007 dmsp_19_ephemeris_20150120.txt 09-Nov-2025 23:14 107915